Closure



March 14, 1933. A, H, clPuLLfo cLosURE Filed July 18, 1929 Patented Mar.14, 1933` UNITED STATES PATENT OFFICE l.euv'rnoivir n. oIrULLo, orCLEVELAND, onIo, AssiGNon fro EATON MANUFACTURING COMPANY, OF CLEVELAND,OHIO, A. CORPOBATIONOF OHIO cnosunn l Application filed July 18,

This invention relatestoclosure devices, and more particularly to'animproved form of cap type adapted to be used in connection with atubular member, such as the ller neck of. an automobile radiator, gastank, or the like.

An object of this invention is to provide an improved form of closuredevice in which automatic means is provided for securely locking theclosure member againstV disengagement from the tubular member.

Another object of this invention is to provide an improved form ofclosure device having means accessible from thev exterior of the closuremember for releasing the locking means which holds the closure memberAand the tubular member against disengagement. d

The invention may be further briey summarized as consisting in certainnovel combinations and arrangements of parts hereinafter described andset out in the ape ended claims. K

In .the sheet of drawings forming a part of this application,v

Fig. l1 is a bottom plan view showing the closure member in lockedposition on the tubular member; y

Fig. -2 is a section' taken on line 2-2 of Fig. 1; Y f Fig. 3 is a sideelevation showing the closure member of my device with parts thereof insection;

Fig. 4 is a detached' plan view of `the locking member; Fig. V5 is a topplanview of the tubular member; and

Fig. 6 is a section taken on line 6--6 of Fig. 5.

Thevclosure device of my invention comprises a tubular member, fillerneck, and a cap or closure member of the quick detachable bayonet'typeadaptedto be applied to the tubular lmember to close the openingtherein. The closure member is provided with a Ilocking device whichauto# matically locks the closure member to the ller neck when ,theclosure, member has been applied to the neck and rotated Jthereon. lThislooking device prevents aor closure member of the bayonet such as acontainer l 1929. serial No. 379,222. dental separation of the members,andl is provided with means which is accessible from the exterior of theclosure member for causing disengagement of the locking device to permitthe closure to be removed from the filler neck.

As shown in the drawing,

the tubular member may `consist of a rcontainer filler.'

neck 10 provided at its Vinner end with a flange 11 which surrounds `anopening 12 through the wall of' the d Y is securely connected to thecontainer in any convenient manner. The outer end lof this filler neck`is provided lwith a-'laterally extending annular flange 14 which servesas a suitable seat for the` gasket 15. Portions of the, annular flangeinwardly to form the depending flanges 16 and the depending lugs 17. Theinneredges ofthe depending flanges 1,6 are shaped to provide inclinedcam surfaces 18 with which portions of the locking device of ,theClosure member cooperate. l`Opposed 'openings 19 are formed through oneend of the cam surfaces 18 to admit the portions of the locking ate withthese surfaces, while at the `opposite ends of these cam -surfaces Iprovide opposed locking recesses 2Q. AWhen the closure member is appliedto the illerneck, portions of the locking device .enter theopenings 19,and, upon rotation Aof the closure member relative' to the filler neck,these portions follow or ride along uponV the cam surfaces 18 until theyengage in the locking recesses 20. The engagement vof these portions thelocking recesses 2O securelylocks the closure member against rotation ineither .direction relative device which coopercontainer 13, and

14:y are turned d the annular flange V'11 yat tothe filler neck andthusprevents accidental engagement of these members.

The cap or closure member itself comprises a body portion'21 whichcomposed of an VVouter shell'or part 22 and an inner shell or part28.The inner with a laterally extending ,annular portion 211 havingl adepending'cup-shaped central portion 2,5 and a.dependin'g peripheralflange 26. This inner Vpart is ,assembled'in the outer partand ispermanently retained therein bybendng a portion 0f .the .Outer part isformed fingers 31 part around the `laterally extendingv annular flange27 which loosely surrounds the yfiller neck Vv.when the closure memberis applied thereon. The depending central portion 25 of the inner memberfits loosely in the filler neck opening, and, with the annularande 27 ofthe outer part, serves to accurately locate the closure member upon thefiller neck andto prevent lateral movement between these members whenthe closure member has been locked in position. VThe annular portion 24ofthe inner part is provided with a continuous annular bead 28 whichbears against one side ofthe gasket 15 when the closure memberis'applied to the filler neck, and presses the gasket into sealingengagement with' the annular flange 14.

For retaining the capor closure memberl upon the fillerl neck, I providea locking body portion 30 disposed within the cup-shaped central,portionp25 of the inner part, and is provided with Llocking fingers 31which eX- tend laterally through openings 32 formed in 'the side wall oftheV depending portion. lWhen the closure member is applied Vto thefiller neck, Vthe locking fingers 31 enter the opposed openings 19, andupon rotation of the closure member, these fingers follow the `camsurfaces 18 and engage inthe locking recesses 20. For normally urgingthe locking member and the fingers thereon toward locking position, Iprovide a compressionv spring 33, which is arranged in the dependc ingportion of the inner part, with one end bearing against the 'bottom wallof this depending portion andv its opposite end bearing against the bodyportion ofthe locking member. The spring BSyieldingly holds the againstthe cam surfaces 18 and presses these fingers into engagement with thelocking recesses 2() when the closure member is rotated upon the fillerneck. This action of the spring'insures an efficient seal between' thegasket 18 and the members of ing recesses, so that the closure membercan- Y Ylis" theV closure device, and, in addition, retains the. fingersof the locking device Vin the locknot: be rotated upon the fillerneckuntil these 5'5. lingers have been retracted fromv thelockingrecesses. l Y

i For the purpose of retracting the locking fingers from the lockingrecesses'to permit removalyof the closure member fromV the filler neck,I provide a` movable memberV 34 which isaccessible from the exterior ofthe closure, member. be'constructed in various forms, butin thisinstance I show such'a member constructed in the form of a button'whichis preferably provided at one end with an annular flange This movablemember may The button is arranged with its flange 35 Y bearing againstthe body portion of the lockbearing for guiding the .movementsofthebutto y y 4 After the closure member has been applied to the tubularmember and rotated thereon, Y

the locking fingers are in engagement with the locking recesses 20. Whenthe closure member is to be removed from the Vfiller neck, the button 34ispressed inwardly'to move the locking member 29 againstY the action ofthe spring 33 and thereby retract the fingers from the locking recesses.'Whilei the button is depressed, the locking. fingers are out ofengagement with the locking re-V cesses, thus releasing A'the closuremember so that it may be rotated on the filler neck andl disconnectedtherefro Y i It will now be readily understood thatI have provided aclosure member vhaving an efficient form of locking device whichautomatical.lylocks the f closure member to the ilier neck in suchamanner as to insure an efficient seal between these parts, and also'securely retains these parts aganst accidental separation which wouldresult in the loss of thek closure member and in the loss of the' fiuidin the container. I

what I have Shown and descibeaihe! device of my invention in adetailedmanner, it should be understood that I do not limit myself to theprecise details andfa'rrange-4 ments shown anddescribed, but regard myVAinvention as including such changes vand modifications as. do notinvolve a departure from Vthe'spirit ofthe invention and the scope ofthe appended claims. v Having thus described myV invention,I claim: 1 I

1. A closure for a'tubular memberoomprisingrv a hollow closure Y body,member in said hollow closure body and rotatable therewith, said lockingmember having portions adapted to'engagevin lock'- ing recessesprovidedl in said tubular mem ber for retaining the closureI thereon,means in said hollow closure bodyV for yieldingly; pressing saidportions into said recesses, and. means accessible from the'eXteriorvofthe closure body for'movingsaid portions out of said lockingrecessesagainst the action of said yielding means. l

favk

Va locking Y prising outer vand innerV parts,Y held vin as sembledrelation lto'form a hollowf'closur'e body, a locking memberjin saidhollow "clog sure body and rotatable therewith, said locking memberhaving i gage locking means provided on said tubuportions adapted to en?lar member for retaining the closure thereon, means in said hollow bodyfor yieldingly pressing said portions so as to engage said lockingmeans, and means extending through the wall of said outer part formoving said portions out of engagement with said locking means againstvthe action of said yielding means.

3. A closure for the opening of a tubular member comprising an outerpart and an inner part held in assembled relation to form a closurebody, said inner part having a depending hollow portion, a lockingmember in said hollow portion and having ngers adapted to engage inlocking recesses provided in the tubular member, a spring in said hollowportion for yieldingly pressing said lingers into said recesses, and amovable button-like member extending through and guided in the wall ofsaid outer part for moving said fingers out of said recesses against theaction of saidV spring.

4. A closure of the character described comprising a hollow cap bodyhaving an opening in the top thereof, a bayonet locking member having aplate portion movably disposed in said hollow body, a spring engagingone side of the plate portion of said locking member for yieldinglyresisting movement of said member in one direction, and a buttonengaging the other side of the plate portion of said locking member andextending' through to said spring.

5. A closure of the character described comprising a cap body having ahollow depending eXtension on the under side thereoi and an opening inthe top of the cap body communicating with said hollow eX- tension, abayonet locking member having a plate portion movably disposed in saidhollow extension, a spring in said extension engaging the under side ofsaid plate portion, and a button engaging the opposite side of saidplate portion and extending through said opening for moving saidlockingmember in opposition to said spring.

In testimony whereof, I hereunto aiiX my signature.

ANTHONY H. CIPULLO.

said opening for moving said locking member in opposition

